''Bombus angustus'' is a species of

bumblebee A bumblebee (or bumble bee, bumble-bee, or humble-bee) is any of over 250 species in the genus ''Bombus'', part of Apidae, one of the bee families. This genus is the only extant group in the tribe Bombini, though a few extinct related gener ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

.Starr, C. K. (1992)
The bumble bees (Hymenoptera: Apidae) of Taiwan.
''Bull. Nat. Museum Natural Science'', 3, 139-157. It is the most common species used in bumblebee soup.

References

Bumblebees Insects of Taiwan Insects described in 1948 {{bombus-stub